IEEE Rules

IEEE_500

This rule checks IEEE types have the proper case.

Refer to Configuring Uppercase and Lowercase Rules for more information.

Violation

port (
  WR_EN    : in    STD_LOGIC;
  RD_EN    : in    STD_logic;
  DATA     : inout STD_LOGIC_VECTOR(31 downto 0)
);

Fix

port (
  WR_EN    : in    std_logic;
  RD_EN    : in    std_logic;
  DATA     : inout std_logic_vector(31 downto 0)
);